Digestion/Absorption

Question 1

How are triglycerides digested ?

Answer 1

1. Transport: Micelles

2. Digestion: Pancreatic Lipases

Question 2

What are triglycerides end products, and therefor main form of digestion?

Answer 2

1. Monoglycerides

2. Fatty acids

Question 3

Enzyme necessary for CHO conversion from polysaccharides to disaccharides ?

Answer 3

1. Pancreatic Amylase

Question 4

Name 3 principal disaccharides?

Answer 4

1. Maltose
2. Lactose
3. Sucrose

MLS

Question 5

Maltose is composed by the following monosaccharides?

Answer 5

1. Glucose + Glucose

Question 6

Lactose is composed by the following monosaccharides?

Answer 6

1. Galactose + Glucose

Question 7

Sucrose is composed by the following monosaccharides?

Answer 7

1. Fructose + Glucose

Question 8

Proteins main end products before absorption?

Answer 8

1. Amino acids

2. Dipeptides and Tripeptides

Question 9

How are CHO absorbed in the intestine ?

Answer 9

1. Glucose and Galactose: Glucose -Na+ cotransporter (SGLT1)
2. Fructose: facilitated diffusion

Question 10

How are proteins absorbed in the intestine ?

Answer 10

1. Amino acids: Na+- AA cotransporter

2. Peptides: facilitated by H+ - Na+ antiporter

Question 11

What do Micelles contain?

Answer 11

1. Monoglycerides
2. Fatty acids
3. Cholesterol
4. Phospholipids
5. VitaminS A D E K

Question 12

How are lipids absorbed as into the intestinal cells?

Answer 12

Micelles

Question 13

How are lipids transported from the intestinal cells —> lymphatic system?

Answer 13

Chylomicrons

Question 14

Apolipoprotein contained in chylomicrons necessary for transport?

Answer 14

Apolipoprotein B48

Question 15

Main absorption of electrolytes and vitamins in duodenum?

Answer 15

1. Iron an Calcium

2. Hydrosoluble vitamins

Question 16

Main site of absorption for Vitamin B12 + IF and Bile Salts?

Answer 16

Terminal Ileum

Question 17

Main electrolyte secretion in the colon?

Answer 17

1. HCO3- and K+

DIARRHEA—> metabolic acidosis